/*
 * Copyright 2021 ThoughtWorks, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
@import "../../global/common";

$indent-width:             15px;
$under-label-indent-width: (2 * $indent-width) / 3;
$tree-connector-color:     #ddd;
$tick-width:               $under-label-indent-width;
$selected-color:           #d2ebf0;

.tree, .tree-datum, .tree-child, .tree-children, .tree-children ul, .tree-children-label {
  margin:  0;
  padding: 0;
}

// NOTE: Selectors are intentionally not nested to make them easy to override.
.tree {
  line-height: 2em;
}

.tree-children-label + ul {
  margin-left: $under-label-indent-width;
}

.tree-datum {
  font-weight: bold;
  display:     flex;

  span {
    cursor:        pointer;
    background:    $border-color;
    border-radius: 3px;
    padding:       0 5px;
    font-weight:   normal;
    font-size:     12px;
    display:       flex;
    word-break:    break-word;
    white-space:   normal;
    line-height:   1.8;
    margin-top:    2px;
    align-items:   center;

    &.selected {
      background: $selected-color;
    }
  }
}

.tree-children {
  margin-left: $under-label-indent-width;

  ul {
    list-style: none;
  }
}


.tree-child {
  position:    relative;
  margin-left: $indent-width;

  &:before {
    position:      absolute;
    left:          -$indent-width;
    top:           0;
    height:        1em;
    width:         $tick-width;
    display:       block;
    border-left:   1px solid $tree-connector-color;
    border-bottom: 1px solid $tree-connector-color;
    content:       "";
  }

  &:after {
    position:    absolute;
    left:        -$indent-width;
    bottom:      0;
    height:      100%;
    display:     block;
    border-left: 1px solid $tree-connector-color;
    content:     "";
  }

  &:last-child:after {
    display: none;
  }
}
